package com.wjk.kylin.core.utils;

import com.wjk.kylin.core.security.AuthUser;
import lombok.extern.slf4j.Slf4j;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;

/**
 * 安全服务工具类
 * 
 * @author ruoyi
 */
@Slf4j
public class SecurityUtils {
    /**
     * 获取用户账户
     **/
    public static String getUsername() {
        try {
            return getAuthUser().getUsername();
        } catch (Exception e) {
            log.warn("获取用户信息异常,e:{}",e.getMessage());
//            throw new BusinessException(HttpStatus.HTTP_UNAUTHORIZED,"获取用户信息异常");
            return null;
        }
    }

    /**
     * 获取用户ID
     */
    public static String getUserId() {
        try {
            return getAuthUser().getId();
        } catch (Exception e) {
            log.warn("获取用户信息异常,e:{}",e.getMessage());
            return null;
//            throw new BusinessException(HttpStatus.HTTP_UNAUTHORIZED,"获取用户信息异常");
        }
    }

    /**
     * 获取用户
     **/
    public static AuthUser getAuthUser() {
        try {
            return (AuthUser) getAuthentication().getPrincipal();
        } catch (Exception e) {
            log.warn("获取用户信息异常,e:{}",e.getMessage());
//            throw new BusinessException(HttpStatus.HTTP_UNAUTHORIZED,"获取用户信息异常");
            return new AuthUser();
        }
    }

    /**
     * 获取Authentication
     */
    public static Authentication getAuthentication() {
        return SecurityContextHolder.getContext().getAuthentication();
    }

    /**
     * 生成BCryptPasswordEncoder密码
     *
     * @param password 密码
     * @return 加密字符串
     */
    public static String encryptPassword(String password) {
        BCryptPasswordEncoder passwordEncoder = new BCryptPasswordEncoder();
        return passwordEncoder.encode(password);
    }

    /**
     * 判断密码是否相同
     *
     * @param rawPassword 真实密码
     * @param encodedPassword 加密后字符
     * @return 结果
     */
    public static boolean matchesPassword(String rawPassword, String encodedPassword) {
        BCryptPasswordEncoder passwordEncoder = new BCryptPasswordEncoder();
        return passwordEncoder.matches(rawPassword, encodedPassword);
    }

    /**
     * 是否为管理员
     * 
     * @param userId 用户ID
     * @return 结果
     */
    public static boolean isAdmin(String userId) {
        return userId != null && "1".equals(userId);
    }
}
